Assertion : Work done in uniform circular motion is zero. Reason : Force is always directed along displacement.

• A

  If both $A$ and and Reason are true and Reason is the correct explanation of Assertion.
• B

  If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
• Correct answer
  C

  If Assertion is true but Reason is false.
• D

  If Assertion is false but Reason is true.

Hence, the correct answer is option: 'C'.